/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors 
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.program;

import com.google.common.collect.Lists;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import javax.annotation.Nonnull;
import lombok.RequiredArgsConstructor;
import org.apache.commons.collections4.SetValuedMap;
import org.hisp.dhis.association.jdbc.JdbcOrgUnitAssociationsStore;
import org.hisp.dhis.common.IdentifiableObjectManager;
import org.hisp.dhis.dataelement.DataElement;
import org.hisp.dhis.dataentryform.DataEntryForm;
import org.hisp.dhis.organisationunit.OrganisationUnit;
import org.hisp.dhis.trackedentity.TrackedEntityType;
import org.hisp.dhis.user.CurrentUserUtil;
import org.hisp.dhis.user.UserDetails;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author Abyot Asalefew
 */
@RequiredArgsConstructor
@Service("org.hisp.dhis.program.ProgramService")
public class DefaultProgramService implements ProgramService {
  private final ProgramStore programStore;

  private final IdentifiableObjectManager idObjectManager;

  @Qualifier("jdbcProgramOrgUnitAssociationsStore")
  private final JdbcOrgUnitAssociationsStore jdbcOrgUnitAssociationsStore;

  // -------------------------------------------------------------------------
  // Implementation methods
  // -------------------------------------------------------------------------

  @Override
  @Transactional
  public long addProgram(Program program) {
    programStore.save(program);
    return program.getId();
  }

  @Override
  @Transactional
  public void updateProgram(Program program) {
    programStore.update(program);
  }

  @Override
  @Transactional
  public void deleteProgram(Program program) {
    programStore.delete(program);
  }

  @Override
  @Transactional(readOnly = true)
  public List<Program> getAllPrograms() {
    return programStore.getAll();
  }

  @Override
  @Transactional(readOnly = true)
  public Program getProgram(long id) {
    return programStore.get(id);
  }

  @Override
  @Transactional(readOnly = true)
  public Collection<Program> getPrograms(@Nonnull Collection<String> uids) {
    return programStore.getByUid(uids);
  }

  @Override
  @Transactional(readOnly = true)
  public List<Program> getPrograms(OrganisationUnit organisationUnit) {
    return programStore.get(organisationUnit);
  }

  @Override
  @Transactional(readOnly = true)
  public Program getProgram(String uid) {
    return programStore.getByUid(uid);
  }

  @Override
  @Transactional(readOnly = true)
  public List<Program> getProgramsByTrackedEntityType(TrackedEntityType trackedEntityType) {
    return programStore.getByTrackedEntityType(trackedEntityType);
  }

  @Override
  @Transactional(readOnly = true)
  public List<Program> getProgramsByDataEntryForm(DataEntryForm dataEntryForm) {
    return programStore.getByDataEntryForm(dataEntryForm);
  }

  @Override
  @Transactional(readOnly = true)
  public List<Program> getCurrentUserPrograms() {
    UserDetails currentUserDetails = CurrentUserUtil.getCurrentUserDetails();
    if (currentUserDetails.isSuper()) {
      return getAllPrograms();
    }

    return programStore.getDataReadAll(currentUserDetails);
  }

  // -------------------------------------------------------------------------
  // ProgramDataElement
  // -------------------------------------------------------------------------

  @Override
  @Transactional(readOnly = true)
  public List<ProgramDataElementDimensionItem> getGeneratedProgramDataElements(String programUid) {
    Program program = getProgram(programUid);

    List<ProgramDataElementDimensionItem> programDataElements = Lists.newArrayList();

    if (program == null) {
      return programDataElements;
    }

    for (DataElement element : program.getDataElements()) {
      programDataElements.add(new ProgramDataElementDimensionItem(program, element));
    }

    Collections.sort(programDataElements);

    return programDataElements;
  }

  @Override
  public boolean hasOrgUnit(Program program, OrganisationUnit organisationUnit) {
    return programStore.hasOrgUnit(program, organisationUnit);
  }

  @Override
  public SetValuedMap<String, String> getProgramOrganisationUnitsAssociationsForCurrentUser(
      Set<String> programUids) {
    idObjectManager.loadByUid(Program.class, programUids);

    return jdbcOrgUnitAssociationsStore.getOrganisationUnitsAssociationsForCurrentUser(programUids);
  }
}
